| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 7.2.1998 |  | ECC - Extreme Combat Challenge New Castle, Indiana, United States | Extreme Combat Challenge |
| 7.2.1998 | ECT - February 1998 | Extreme Challenge Trials | |
| 7.2.1998 |  | IVC 4 - The Battle Brazil, Brazil | International Vale Tudo Championship |